linux-hardening - Re: [PATCH RESEND][next] drm/nouveau/clk: Fix fall-through warnings for Clang

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Date:   Tue, 1 Jun 2021 17:57:51 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH RESEND][next] drm/nouveau/clk: Fix fall-through warnings
 for Clang

Hi,

Friendly second ping: who can take this?

I can add this to my -next branch for 5.14 if you don't mind.

JFYI: We had thousands of these sorts of warnings and now we are down
to just 23 in linux-next. This is one of those last remaining warnings.

Thanks
--
Gustavo

On 4/20/21 15:13, Gustavo A. R. Silva wrote:
> Hi all,
> 
> Friendly ping: who can take this, please?
> 
> Thanks
> --
> Gustavo
> 
> On 3/5/21 03:56, Gustavo A. R. Silva wrote:
>> In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
>> by explicitly adding a break statement instead of letting the code fall
>> through to the next case.
>>
>> Link: https://github.com/KSPP/linux/issues/115
>> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
>> ---
>>  drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>> index 83067763c0ec..e1d31c62f9ec 100644
>> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c
>> @@ -313,6 +313,7 @@ nv50_clk_read(struct nvkm_clk *base, enum nv_clk_src src)
>>  		default:
>>  			break;
>>  		}
>> +		break;
>>  	default:
>>  		break;
>>  	}
>>